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Olin [163]
2 years ago
12

The cost of a package of ground beef (y) is directly proportional to its weight in ounces (x). A 14-ounce package costs $7. Writ

e a direct variation equation to represent this situation.
Mathematics
1 answer:
Sonja [21]2 years ago
5 0

Answer:

y = \dfrac{1}{2}x

Step-by-step explanation:

The standard equation of direct variation is

y = kx

where k = constant of variation

We start with

y = kx

Since we are give one ordered pair, we use its coordinates for x and y, and we solve for k. We are told that when x = 14 ounces, y = $7.

7 = k * 14

k = 7/14

k = 1/2

Now that we know k = 1/2, we can write the direct variation equation:

y = \dfrac{1}{2}x

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Give the parallel cross-section for the following: Cylinder, cone, sphere, and pyramid.
Maurinko [17]

The parallel cross-sections of a cylinder, cone, sphere, and pyramid are a circle, a circle, a circle, and a square.

We are given some solids. Solid geometry, or stereometry, is the traditional name for the geometry of three-dimensional Euclidean spaces in mathematics. Stereometry is concerned with measuring the volumes of various solid figures. The given solids are a cylinder, cone, sphere, and pyramid. We need to find the parallel cross-sections of the given solids. Parallel cross sections are cross sections of a solid that are parallel to each other. A cross section is a straight slice of an object. The parallel cross-sections of a cylinder, cone, sphere, and pyramid are a circle, a circle, a circle, and a square.

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6 0
1 year ago
204 thousands equals
jeka57 [31]
204 thousand equals 204,000 or two hundred and four thousand. 
Hope this helps.
6 0
2 years ago
The following list shows the items and prices for a restaurant order. Calculate the total amount if there is 7.5% tax and the cu
Rainbow [258]

The first thing we are going to do to find the total cost of the meal before tax:

Total cost before tax = $8.99 + 2($14.99) + $12.99 + 3($1.99)

Total cost before tax = $8.99 + $29.98 + 12.99 + $5.97

Total cost before tax = $57.93

Regarding the 15% gratuity, remember that the unofficial rule for tipping at restaurants is to tip according to the actual value of the meal and not the tax, so we calculate the value of the tip first, and then we add it to the total at the end of our calculations.

Tip = 15%($57.93) = $8.69

Now, lets calculate the tax

Tax = 7.5%($57.93) = $4.34

Finally, we can calculate the total cost of the meal

Total cost = cost before tax + tip + tax

Total cost = $57.93 + $8.69 + $4.34 = $70.96

We can conclude that the correct answer is a. $70.96

3 0
3 years ago
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A culture of bacteria has an initial population of 7100 bacteria and doubles every 2
Allisa [31]

Answer:

Pt=1285237.2855≈ 1285237

YOUR WELCOME :)

3 0
3 years ago
EACH PAIR OF FIGURES IS SIMILAR. FIND THE MISSING SIDE!!!!
inessss [21]

Answer:

58.1 and 17

Step-by-step explanation:

For the first triangles the similarity ratio is 1:7 so x is 8.3 × 7 = 58.1

For the second triangles the similarity ratio is 1:5 so x is 3.4 × 5 = 17

8 0
3 years ago
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